Oscar Hertwig

Oscar Hertwig by [[Nicola Perscheid]] Oscar Hertwig (21 April 1849 in Friedberg – 25 October 1922 in Berlin) was a German embryologist and zoologist known for his research in developmental biology and evolution. Hertwig is credited as the first person to observe sexual reproduction at the cellular level, by looking at the cells of sea urchins under the microscope. Provided by Wikipedia
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    Lehrbuch der Entwicklungsgeschichte des Menschen und der Wirbelthiere by Hertwig, Oscar

    Published 1902
    Book
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    Ueber den Einfluss äusserer Bedingungen auf die Entwickelung des Froscheies by Hertwig, Oscar

    Published 1894
    Book
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    Ueber die Veränderungen unbefruchteter Eier von Ascaris megalocephala by Hertwig, Oscar

    Published 1898
    Book
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    Ueber den Einfluss verschiedener Temperaturen auf die Entwickelung der Froscheier by Hertwig, Oscar

    Published 1896
    Book
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    Ueber einige am befruchteten Froschei durch Centrifugalkraft hervorgerufene Mechanomorphosen by Hertwig, Oscar

    Published 1897
    Book
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    Zeit- und Streitfragen der Biologie by Hertwig, Oscar 1849-1922, Hertwig, Oscar 1849-1922

    Published 1894
    Book
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    Zeit- und Streitfragen der Biologie by Hertwig, Oscar 1849-1922, Hertwig, Oscar 1849-1922

    Published 1894
    Book
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    Zeit- und Streitfragen der Biologie by Hertwig, Oscar 1849-1922, Hertwig, Oscar 1849-1922

    Published 1897
    Book
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    Das Nervensystem und die Sinnesorgane der Medusen by Hertwig, Oscar, 1849-1922

    Published 1878
    kostenfrei
    eBook
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